Raspberry Pi Jessie Softether configuration

checkInternet.sh

#!/bin/bash

nc -z -w30 8.8.8.8 53 # > /dev/null 2>&1
online=$?
if [ $online -ne 0 ]; then
        echo "$(date) - No internet connection, restarting"
        systemctl stop vpn.service
        sleep 20
        systemctl start vpn.service
        echo "$(date) - Vpn service restarted!"
fi

# add following line to cron with crontab -e
# */5 * * * * /home/pi/checkInternet.sh >> /var/log/internet-checker.log 2>&1

dhcpdcd.conf

interface eth0
 static ip_address=192.168.101.6/24
 static routers=192.168.101.1
 static domain_name_servers=192.168.101.1

interface br0
 static ip_address=192.168.101.6/24
 static routers=192.168.101.1
 static domain_name_servers=8.8.8.8 8.8.4.4 192.168.101.1

# A sample configuration for dhcpcd.
# See dhcpcd.conf(5) for details.

# Allow users of this group to interact with dhcpcd via the control socket.
#controlgroup wheel

# Inform the DHCP server of our hostname for DDNS.
rpi

# Use the hardware address of the interface for the Client ID.
clientid
# or
# Use the same DUID + IAID as set in DHCPv6 for DHCPv4 ClientID as per RFC4361.
#duid

# Persist interface configuration when dhcpcd exits.
persistent

# Rapid commit support.
# Safe to enable by default because it requires the equivalent option set
# on the server to actually work.
option rapid_commit

# A list of options to request from the DHCP server.
option domain_name_servers, domain_name, domain_search, host_name
option classless_static_routes
# Most distributions have NTP support.
option ntp_servers
# Respect the network MTU.
# Some interface drivers reset when changing the MTU so disabled by default.
#option interface_mtu

# A ServerID is required by RFC2131.
require dhcp_server_identifier

# Generate Stable Private IPv6 Addresses instead of hardware based ones
slaac private

# A hook script is provided to lookup the hostname if not set by the DHCP
# server, but it should not be run by default.
nohook lookup-hostname

interfaces

# interfaces(5) file used by ifup(8) and ifdown(8)

# Please note that this file is written to be used with dhcpcd
# For static IP, consult /etc/dhcpcd.conf and 'man dhcpcd.conf'

# Include files from /etc/network/interfaces.d:
source-directory /etc/network/interfaces.d

auto lo
iface lo inet loopback

allow-hotplug eth0
iface eth0 inet manual

#auto br0
iface br0 inet manual
 bridge_ports eth0
 bridge_stp off
 bridge_waitport 0
 bridge_maxwait 0
 bridge_fd 0

allow-hotplug wlan0
iface wlan0 inet manual
    wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf

allow-hotplug wlan1
iface wlan1 inet manual
    wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf

startVPN.sh

#!/bin/bash
echo "Switching from eth0 to br0"

# set up bridge
ip link add br0 type bridge
ip link set eth0 master br0
# flush eth0 configuration
ip addr flush dev eth0
ip link set dev br0 up

./vpnserver/vpnserver start

while [ -z "`ifconfig | grep tap_soft`" ]
do
   echo "Wait for vpn adapter"
   sleep 2
done

echo "Found VPN adapter, attaching to bridge."
ip link set dev tap_soft master br0

vpn.service

#Location /etc/systemd/system/

[Unit]
Description=SoftEther VPN Server daemon
After=network-online.target

[Service]
Type=forking
ExecStart=/home/pi/startVPN.sh
ExecStop=/home/pi/vpnserver/vpnserver stop

[Install]
WantedBy=multi-user.target